samer@0: package	samer.units;
samer@0: import	samer.core.types.*;
samer@0: import	samer.tools.*;
samer@0: import	samer.maths.*;
samer@0: 
samer@0: public class SumFnVec extends FunctionOfVector implements SafeTask
samer@0: {
samer@0: 	double []		x, fx;
samer@0: 	DoubleModel	out;
samer@0: 	Function		f;
samer@0: 	
samer@0: 	public SumFnVec(Function f, VVector x, DoubleModel out) {
samer@0: 		this.x=x.array();
samer@0: 		this.f=f;
samer@0: 		this.out=out;
samer@0: 		fx=new double[x.size()];
samer@0: 	}
samer@0: 
samer@0: 	public void starting() {}
samer@0: 	public void stopping() {}
samer@0: 	public void run() {
samer@0: 		f.apply(x,fx);
samer@0: 		out.set(Mathx.sum(fx));
samer@0: 	}
samer@0: 
samer@0: 	public double apply(double [] x) {
samer@0: 		f.apply(x,fx); return Mathx.sum(fx);
samer@0: 	}
samer@0: }
samer@0: